package com.lframework.starter.web.inner.impl.system;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.github.pagehelper.PageInfo;
import com.lframework.starter.common.exceptions.impl.DefaultClientException;
import com.lframework.starter.common.utils.Assert;
import com.lframework.starter.common.utils.CollectionUtil;
import com.lframework.starter.web.core.components.resp.PageResult;
import com.lframework.starter.web.core.impl.BaseMpServiceImpl;
import com.lframework.starter.web.core.utils.IdUtil;
import com.lframework.starter.web.core.utils.PageHelperUtil;
import com.lframework.starter.web.core.utils.PageResultUtil;
import com.lframework.starter.web.inner.entity.SysDataDic;
import com.lframework.starter.web.inner.entity.SysDataDicItem;
import com.lframework.starter.web.inner.mappers.system.SysDataDicItemMapper;
import com.lframework.starter.web.inner.service.system.SysDataDicItemService;
import com.lframework.starter.web.inner.service.system.SysDataDicService;
import com.lframework.starter.web.inner.vo.system.dic.item.CreateSysDataDicItemVo;
import com.lframework.starter.web.inner.vo.system.dic.item.QuerySysDataDicItemVo;
import com.lframework.starter.web.inner.vo.system.dic.item.UpdateSysDataDicItemVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.io.Serializable;
import java.util.List;

@Service
public class SysDataDicItemServiceImpl extends
        BaseMpServiceImpl<SysDataDicItemMapper, SysDataDicItem> implements SysDataDicItemService {

    @Autowired
    private SysDataDicService sysDataDicService;

    @Override
    public PageResult<SysDataDicItem> query(Integer pageIndex, Integer pageSize,
                                            QuerySysDataDicItemVo vo) {
        Assert.greaterThanZero(pageIndex);
        Assert.greaterThanZero(pageSize);

        PageHelperUtil.startPage(pageIndex, pageSize);
        List<SysDataDicItem> datas = this.query(vo);

        return PageResultUtil.convert(new PageInfo<>(datas));
    }

    @Override
    public List<SysDataDicItem> query(QuerySysDataDicItemVo vo) {
        return getBaseMapper().query(vo);
    }

    @Cacheable(value = SysDataDicItem.CACHE_NAME, key = "@cacheVariables.tenantId() + #id", unless = "#result == null")
    @Override
    public SysDataDicItem findById(String id) {
        return getBaseMapper().selectById(id);
    }

    @Override
    public SysDataDicItem findByCode(String dicCode, String code) {
        SysDataDicItemService thisService = getThis(getClass());
        List<SysDataDicItem> items = thisService.findByDicCode(dicCode);
        if (CollectionUtil.isEmpty(items)) {
            return null;
        }

        return items.stream().filter(t -> t.getCode().equals(code)).findFirst().orElse(null);
    }

    @Cacheable(value = SysDataDicItem.CACHE_NAME, key = "@cacheVariables.tenantId() + #dicCode")
    @Override
    public List<SysDataDicItem> findByDicCode(String dicCode) {
        Wrapper<SysDataDic> queryDicWrapper = Wrappers.lambdaQuery(SysDataDic.class)
                .eq(SysDataDic::getCode, dicCode);
        SysDataDic dic = sysDataDicService.getOne(queryDicWrapper);
        if (dic == null) {
            throw new DefaultClientException("数据字典不存在！");
        }

        Wrapper<SysDataDicItem> queryWrapper = Wrappers.lambdaQuery(SysDataDicItem.class)
                .eq(SysDataDicItem::getDicId, dic.getId()).orderByAsc(SysDataDicItem::getOrderNo);
        List<SysDataDicItem> datas = this.list(queryWrapper);

        return datas;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public String create(CreateSysDataDicItemVo vo) {

        Wrapper<SysDataDicItem> checkWrapper = Wrappers.lambdaQuery(SysDataDicItem.class)
                .eq(SysDataDicItem::getDicId, vo.getDicId())
                .eq(SysDataDicItem::getCode, vo.getCode());
        if (this.count(checkWrapper) > 0) {
            throw new DefaultClientException("编号重复，请重新输入！");
        }

        checkWrapper = Wrappers.lambdaQuery(SysDataDicItem.class)
                .eq(SysDataDicItem::getDicId, vo.getDicId())
                .eq(SysDataDicItem::getName, vo.getName());
        if (this.count(checkWrapper) > 0) {
            throw new DefaultClientException("名称重复，请重新输入！");
        }

        SysDataDicItem record = new SysDataDicItem();
        record.setId(IdUtil.getId());
        record.setCode(vo.getCode());
        record.setName(vo.getName());
        record.setDicId(vo.getDicId());
        record.setOrderNo(vo.getOrderNo());

        this.save(record);

        return record.getId();
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void update(UpdateSysDataDicItemVo vo) {

        SysDataDicItem record = this.getById(vo.getId());
        if (record == null) {
            throw new DefaultClientException("数据字典值不存在！");
        }
        Wrapper<SysDataDicItem> checkWrapper = Wrappers.lambdaQuery(SysDataDicItem.class)
                .eq(SysDataDicItem::getDicId, record.getDicId())
                .eq(SysDataDicItem::getCode, vo.getCode()).ne(SysDataDicItem::getId, vo.getId());
        if (this.count(checkWrapper) > 0) {
            throw new DefaultClientException("编号重复，请重新输入！");
        }

        checkWrapper = Wrappers.lambdaQuery(SysDataDicItem.class)
                .eq(SysDataDicItem::getDicId, record.getDicId())
                .eq(SysDataDicItem::getName, vo.getName()).ne(SysDataDicItem::getId, vo.getId());
        if (this.count(checkWrapper) > 0) {
            throw new DefaultClientException("名称重复，请重新输入！");
        }

        Wrapper<SysDataDicItem> updateWrapper = Wrappers.lambdaUpdate(SysDataDicItem.class)
                .set(SysDataDicItem::getCode, vo.getCode()).set(SysDataDicItem::getName, vo.getName())
                .set(SysDataDicItem::getOrderNo, vo.getOrderNo()).eq(SysDataDicItem::getId, vo.getId());
        this.update(updateWrapper);
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void deleteById(String id) {
        this.removeById(id);
    }

    @CacheEvict(value = SysDataDicItem.CACHE_NAME, key = "@cacheVariables.tenantId() + #key")
    @Override
    public void cleanCacheByKey(Serializable key) {
    }
}
